{"id":3391,"date":"2026-08-19T10:44:08","date_gmt":"2026-08-19T10:44:08","guid":{"rendered":"https:\/\/sivite-machinery.com\/?p=3391"},"modified":"2026-08-19T11:11:44","modified_gmt":"2026-08-19T11:11:44","slug":"%e6%a0%87%e5%87%86%e8%9e%ba%e6%9d%86%e4%b8%8e%e9%ab%98%e9%80%9f%e8%9e%ba%e6%9d%86%e5%9c%a8pet%e7%89%87%e6%9d%90%e6%8c%a4%e5%87%ba%e4%b8%ad%e7%9a%84%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/sivite-machinery.com\/vi\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/","title":{"rendered":"V\u00edt ti\u00eau chu\u1ea9n so v\u1edbi v\u00edt t\u1ed1c \u0111\u1ed9 cao trong qu\u00e1 tr\u00ecnh \u0111\u00f9n t\u1ea5m PET"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ngu\u1ed3n cung \u1ee9ng m\u1ed9t D\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET<\/a><\/strong>, vi\u1ec7c l\u1ef1a ch\u1ecdn tr\u1ee5c v\u00edt th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t nh\u01b0ng l\u1ea1i hay b\u1ecb b\u1ecf qua nh\u1ea5t, quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn n\u0103ng su\u1ea5t, chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ea5m th\u00e0nh ph\u1ea9m. Nhi\u1ec1u ng\u01b0\u1eddi mua ch\u1ec9 so s\u00e1nh b\u00e1o gi\u00e1 d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 ho\u1eb7c chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1eddng \u0111\u00f9n, m\u00e0 kh\u00f4ng nh\u1eadn ra r\u1eb1ng c\u00f9ng m\u1ed9t khung m\u00e1y \u0111\u00f9n \u0111\u01b0\u1ee3c trang b\u1ecb tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao d\u00e0nh cho m\u00e1y \u0111\u00f9n t\u1ea5m PET c\u00f3 th\u1ec3 mang l\u1ea1i n\u0103ng su\u1ea5t cao h\u01a1n 30%+ so v\u1edbi tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac, d\u1eef li\u1ec7u hi\u1ec7u su\u1ea5t v\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn lo\u1ea1i tr\u1ee5c v\u00edt ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch v\u00e0 m\u1ee5c ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00ecnh.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

Vai tr\u00f2 c\u1ee7a tr\u1ee5c v\u00edt trong qu\u00e1 tr\u00ecnh \u0111\u00f9n t\u1ea5m PET<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Tr\u1ee5c v\u00edt l\u00e0 \u201c\u0111\u1ed9ng c\u01a1\u201d c\u1ee7a m\u00e1y \u0111\u00f9n \u2014 n\u00f3 c\u00f3 ch\u1ee9c n\u0103ng nung ch\u1ea3y, tr\u1ed9n, t\u1ea1o \u00e1p su\u1ea5t v\u00e0 v\u1eadn chuy\u1ec3n nh\u1ef1a PET (d\u1ea1ng m\u1ea3nh nguy\u00ean sinh ho\u1eb7c t\u00e1i ch\u1ebf) \u0111\u1ebfn khu\u00f4n theo m\u1ed9t d\u00f2ng ch\u1ea3y li\u00ean t\u1ee5c v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. PET l\u00e0 m\u1ed9t lo\u1ea1i polyester tinh th\u1ec3 c\u00f3 \u0111\u1ed9 nh\u1edbt khi n\u00f3ng ch\u1ea3y r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u1ef1c c\u1eaft, do \u0111\u00f3 h\u00ecnh d\u1ea1ng tr\u1ee5c v\u00edt quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y, qu\u00e1 tr\u00ecnh kh\u1eed kh\u00ed (r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p trong PET t\u00e1i ch\u1ebf), c\u0169ng nh\u01b0 \u0111\u1ed9 trong su\u1ed1t v\u00e0 dung sai \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m th\u00e0nh ph\u1ea9m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

1. T\u1ef7 s\u1ed1 L\/D v\u00e0 t\u1ef7 s\u1ed1 n\u00e9n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

C\u00e1c tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 L\/D t\u1eeb 28:1 \u0111\u1ebfn 32:1 v\u1edbi t\u1ef7 l\u1ec7 n\u00e9n kho\u1ea3ng 2,5:1, d\u1ef1a v\u00e0o th\u1eddi gian l\u01b0u gi\u1eef d\u00e0i h\u01a1n \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh d\u1ebbo h\u00f3a. Tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 L\/D d\u00e0i h\u01a1n \u2014 t\u1eeb 33:1 \u0111\u1ebfn 36:1 ho\u1eb7c cao h\u01a1n \u2014 c\u00f9ng v\u1edbi ph\u1ea7n r\u00e0o c\u1ea3n v\u00e0 ph\u1ea7n tr\u1ed9n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1eaft v\u00e0 qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y \u0111\u1ed3ng \u0111\u1ec1u trong th\u1eddi gian ng\u1eafn h\u01a1n, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ea3n l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi v\u1eadn h\u00e0nh \u1edf t\u1ed1c \u0111\u1ed9 tr\u1ee5c v\u00edt cao h\u01a1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

2. T\u1ed1c \u0111\u1ed9 v\u00edt v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t b\u00ecnh th\u01b0\u1eddng, tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 60\u201390 v\u00f2ng\/ph\u00fat. Tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 120\u2013150 v\u00f2ng\/ph\u00fat, v\u1edbi m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 180 v\u00f2ng\/ph\u00fat. Tr\u00ean m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ea5m PET r\u1ed9ng 1300mm v\u1edbi \u0111\u1ed9ng c\u01a1 ch\u00ednh 132kW, tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n cho n\u0103ng su\u1ea5t kho\u1ea3ng 750-800 kg\/h, trong khi tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ea1t 1000-1100 kg\/h \u2014 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ee9c t\u0103ng n\u0103ng su\u1ea5t 30%-35%.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

3. V\u1eadt li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Do tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi \u1ee9ng su\u1ea5t c\u1eaft l\u1edbn h\u01a1n, ch\u00fang th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 ph\u1ee7 hai kim lo\u1ea1i \u2014 m\u1ed9t h\u1ee3p kim ch\u1ed1ng m\u00e0i m\u00f2n g\u1ed1c niken ho\u1eb7c coban \u0111\u01b0\u1ee3c h\u00e0n l\u00ean n\u1ec1n 38CrMoAlA \u2014 gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t tr\u00ean HRC60. Khi k\u1ebft h\u1ee3p v\u1edbi th\u00e2n tr\u1ee5c hai kim lo\u1ea1i, tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng th\u01b0\u1eddng \u0111\u1ea1t 3\u20135 n\u0103m t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4, v\u01b0\u1ee3t tr\u1ed9i r\u00f5 r\u1ec7t so v\u1edbi c\u00e1c tr\u1ee5c v\u00edt nitrid h\u00f3a ti\u00eau chu\u1ea9n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

M\u1ed9t tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf: T\u1eeb 750 kg\/h l\u00ean 1080 kg\/h<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea5m PET \u1edf \u0110\u00f4ng Nam \u00c1 tr\u01b0\u1edbc \u0111\u00e2y v\u1eadn h\u00e0nh d\u00e2y chuy\u1ec1n 1.300 mm v\u1edbi tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n, cho s\u1ea3n l\u01b0\u1ee3ng kho\u1ea3ng 18 t\u1ea5n\/ng\u00e0y, v\u00e0 th\u1ec9nh tho\u1ea3ng g\u1eb7p ph\u1ea3i hi\u1ec7n t\u01b0\u1ee3ng \u201cm\u1eaft c\u00e1\u201d v\u00e0 v\u1ec7t s\u1ecdc khi t\u1ef7 l\u1ec7 nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf v\u01b0\u1ee3t qu\u00e1 40%. Sau khi chuy\u1ec3n sang s\u1eed d\u1ee5ng tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao v\u1edbi ph\u1ea7n r\u00e0o c\u1ea3n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, s\u1ea3n l\u01b0\u1ee3ng \u0111\u00e3 t\u0103ng l\u00ean kho\u1ea3ng 25 t\u1ea5n\/ng\u00e0y v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, trong khi qu\u00e1 tr\u00ecnh nh\u1ef1a h\u00f3a tri\u1ec7t \u0111\u1ec3 h\u01a1n \u0111\u00e3 gi\u1ea3m h\u01a1n 50% c\u00e1c khuy\u1ebft t\u1eadt d\u1ea1ng m\u1eaft c\u00e1 \u2014 t\u1eeb \u0111\u00f3 m\u1edf r\u1ed9ng bi\u00ean l\u1ee3i nhu\u1eadn m\u00e0 kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

V\u1eady, b\u1ea1n n\u00ean ch\u1ecdn c\u00e1i n\u00e0o?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

N\u1ebfu d\u00e2y chuy\u1ec1n c\u1ee7a b\u1ea1n ch\u1ee7 y\u1ebfu gia c\u00f4ng PET nguy\u00ean sinh v\u1edbi bi\u00ean l\u1ee3i nhu\u1eadn ti\u00eau chu\u1ea9n c\u00f9ng kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01a1n h\u00e0ng \u1ed5n \u0111\u1ecbnh nh\u01b0ng khi\u00eam t\u1ed1n, tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n v\u1eabn l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u h\u1ee3p l\u00fd. Tuy nhi\u00ean, n\u1ebfu m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n l\u00e0 t\u1ed1i \u0111a h\u00f3a s\u1ea3n l\u01b0\u1ee3ng trong ph\u1ea1m vi di\u1ec7n t\u00edch v\u00e0 ng\u00e2n s\u00e1ch \u0111i\u1ec7n n\u0103ng c\u1ed1 \u0111\u1ecbnh, gia c\u00f4ng t\u1ef7 l\u1ec7 PET t\u00e1i ch\u1ebf cao h\u01a1n, ho\u1eb7c \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe h\u01a1n v\u1ec1 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 trong su\u1ed1t, th\u00ec tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao l\u00e0 gi\u1ea3i ph\u00e1p c\u00f3 hi\u1ec7u qu\u1ea3 chi ph\u00ed t\u1ed1t h\u01a1n. B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i thay th\u1ebf to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n \u2014 ch\u1ec9 c\u1ea7n n\u00e2ng c\u1ea5p c\u1ea5u h\u00ecnh tr\u1ee5c v\u00edt v\u00e0 th\u00f9ng \u00e9p tr\u00ean m\u00e1y \u0111\u00f9n hi\u1ec7n c\u00f3 l\u00e0 \u0111\u00e3 mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u1ec7t v\u1ec1 c\u1ea3 s\u1ea3n l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ea5m nh\u1ef1a trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 di\u1ec7n t\u00edch s\u00e0n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

If you’re sourcing a PET sheet extrusion line, screw selection is often the single most overlooked variable that determines output, […]<\/p>\n","protected":false},"author":5,"featured_media":3398,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[37],"tags":[],"class_list":["post-3391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"\nStandard vs High-Speed Screw for PET Sheet Extrusion<\/title>\n<meta name=\"description\" content=\"What's the difference between a standard and high-speed screw in a PET sheet extrusion line? Compare L\/D ratio, output, energy use, and a real case study.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sivite-machinery.com\/vi\/\u6807\u51c6\u87ba\u6746\u4e0e\u9ad8\u901f\u87ba\u6746\u5728pet\u7247\u6750\u6324\u51fa\u4e2d\u7684\u5bf9\u6bd4\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Standard vs High-Speed Screw for PET Sheet Extrusion\" \/>\n<meta property=\"og:description\" content=\"What's the difference between a standard and high-speed screw in a PET sheet extrusion line? Compare L\/D ratio, output, energy use, and a real case study.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sivite-machinery.com\/vi\/\u6807\u51c6\u87ba\u6746\u4e0e\u9ad8\u901f\u87ba\u6746\u5728pet\u7247\u6750\u6324\u51fa\u4e2d\u7684\u5bf9\u6bd4\/\" \/>\n<meta property=\"og:site_name\" content=\"Sivite Machinery\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-19T10:44:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-19T11:11:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"844\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"TAN, mingli\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"TAN, mingli\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/\"},\"author\":{\"name\":\"TAN, mingli\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#\\\/schema\\\/person\\\/4866346b02efea9e0ffe5b3c0799de7f\"},\"headline\":\"Standard vs High-Speed Screw for PET Sheet Extrusion\",\"datePublished\":\"2026-08-19T10:44:08+00:00\",\"dateModified\":\"2026-08-19T11:11:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/\"},\"wordCount\":547,\"publisher\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sivite-machinery.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg\",\"articleSection\":[\"Knowledge\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/\",\"url\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/\",\"name\":\"Standard vs High-Speed Screw for PET Sheet Extrusion\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sivite-machinery.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg\",\"datePublished\":\"2026-08-19T10:44:08+00:00\",\"dateModified\":\"2026-08-19T11:11:44+00:00\",\"description\":\"What's the difference between a standard and high-speed screw in a PET sheet extrusion line? Compare L\\\/D ratio, output, energy use, and a real case study.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#primaryimage\",\"url\":\"https:\\\/\\\/sivite-machinery.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg\",\"contentUrl\":\"https:\\\/\\\/sivite-machinery.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg\",\"width\":1500,\"height\":844,\"caption\":\"Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/sivite-machinery.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Standard vs High-Speed Screw for PET Sheet Extrusion\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#website\",\"url\":\"https:\\\/\\\/sivite-machinery.com\\\/\",\"name\":\"Sivite Machinery\",\"description\":\"China's Top 3 Manufacturer of PP PET Sheet Extrusion & Thermoforming Machines\",\"publisher\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/sivite-machinery.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#organization\",\"name\":\"Sivite Machinery\",\"url\":\"https:\\\/\\\/sivite-machinery.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/sivite-machinery.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/sivite-machinery-logo-1.png\",\"contentUrl\":\"https:\\\/\\\/sivite-machinery.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/sivite-machinery-logo-1.png\",\"width\":350,\"height\":100,\"caption\":\"Sivite Machinery\"},\"image\":{\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/sivite-machinery.com\\\/#\\\/schema\\\/person\\\/4866346b02efea9e0ffe5b3c0799de7f\",\"name\":\"TAN, mingli\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9f372e7cb6037c70f4c749bf9ba39ab5fec276a883b91cb823e368a04de99b0b?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9f372e7cb6037c70f4c749bf9ba39ab5fec276a883b91cb823e368a04de99b0b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9f372e7cb6037c70f4c749bf9ba39ab5fec276a883b91cb823e368a04de99b0b?s=96&d=mm&r=g\",\"caption\":\"TAN, mingli\"},\"sameAs\":[\"https:\\\/\\\/sivite-machinery.com\"],\"url\":\"https:\\\/\\\/sivite-machinery.com\\\/vi\\\/author\\\/sivitemachinery\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"V\u00edt ti\u00eau chu\u1ea9n so v\u1edbi v\u00edt t\u1ed1c \u0111\u1ed9 cao trong qu\u00e1 tr\u00ecnh \u0111\u00f9n t\u1ea5m PET","description":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n v\u00e0 tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao trong d\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET l\u00e0 g\u00ec? So s\u00e1nh t\u1ef7 l\u1ec7 L\/D, c\u00f4ng su\u1ea5t, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u1ed9t nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh th\u1ef1c t\u1ebf.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sivite-machinery.com\/vi\/\u6807\u51c6\u87ba\u6746\u4e0e\u9ad8\u901f\u87ba\u6746\u5728pet\u7247\u6750\u6324\u51fa\u4e2d\u7684\u5bf9\u6bd4\/","og_locale":"vi_VN","og_type":"article","og_title":"Standard vs High-Speed Screw for PET Sheet Extrusion","og_description":"What's the difference between a standard and high-speed screw in a PET sheet extrusion line? Compare L\/D ratio, output, energy use, and a real case study.","og_url":"https:\/\/sivite-machinery.com\/vi\/\u6807\u51c6\u87ba\u6746\u4e0e\u9ad8\u901f\u87ba\u6746\u5728pet\u7247\u6750\u6324\u51fa\u4e2d\u7684\u5bf9\u6bd4\/","og_site_name":"Sivite Machinery","article_published_time":"2026-08-19T10:44:08+00:00","article_modified_time":"2026-08-19T11:11:44+00:00","og_image":[{"width":1500,"height":844,"url":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg","type":"image\/jpeg"}],"author":"TAN, mingli","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"TAN, mingli","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"3 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#article","isPartOf":{"@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/"},"author":{"name":"TAN, mingli","@id":"https:\/\/sivite-machinery.com\/#\/schema\/person\/4866346b02efea9e0ffe5b3c0799de7f"},"headline":"Standard vs High-Speed Screw for PET Sheet Extrusion","datePublished":"2026-08-19T10:44:08+00:00","dateModified":"2026-08-19T11:11:44+00:00","mainEntityOfPage":{"@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/"},"wordCount":547,"publisher":{"@id":"https:\/\/sivite-machinery.com\/#organization"},"image":{"@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#primaryimage"},"thumbnailUrl":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg","articleSection":["Knowledge"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/","url":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/","name":"V\u00edt ti\u00eau chu\u1ea9n so v\u1edbi v\u00edt t\u1ed1c \u0111\u1ed9 cao trong qu\u00e1 tr\u00ecnh \u0111\u00f9n t\u1ea5m PET","isPartOf":{"@id":"https:\/\/sivite-machinery.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#primaryimage"},"image":{"@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#primaryimage"},"thumbnailUrl":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg","datePublished":"2026-08-19T10:44:08+00:00","dateModified":"2026-08-19T11:11:44+00:00","description":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa tr\u1ee5c v\u00edt ti\u00eau chu\u1ea9n v\u00e0 tr\u1ee5c v\u00edt t\u1ed1c \u0111\u1ed9 cao trong d\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET l\u00e0 g\u00ec? So s\u00e1nh t\u1ef7 l\u1ec7 L\/D, c\u00f4ng su\u1ea5t, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u1ed9t nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh th\u1ef1c t\u1ebf.","breadcrumb":{"@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#primaryimage","url":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg","contentUrl":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg","width":1500,"height":844,"caption":"Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion"},{"@type":"BreadcrumbList","@id":"https:\/\/sivite-machinery.com\/standard-vs-high-speed-screw-for-pet-sheet-extrusion\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/sivite-machinery.com\/"},{"@type":"ListItem","position":2,"name":"Standard vs High-Speed Screw for PET Sheet Extrusion"}]},{"@type":"WebSite","@id":"https:\/\/sivite-machinery.com\/#website","url":"https:\/\/sivite-machinery.com\/","name":"Sivite Machinery","description":"Top 3 nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y \u00e9p \u0111\u00f9n v\u00e0 t\u1ea1o h\u00ecnh nhi\u1ec7t t\u1ea5m PP PET h\u00e0ng \u0111\u1ea7u Trung Qu\u1ed1c","publisher":{"@id":"https:\/\/sivite-machinery.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/sivite-machinery.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/sivite-machinery.com\/#organization","name":"Sivite Machinery","url":"https:\/\/sivite-machinery.com\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/sivite-machinery.com\/#\/schema\/logo\/image\/","url":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2025\/10\/sivite-machinery-logo-1.png","contentUrl":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2025\/10\/sivite-machinery-logo-1.png","width":350,"height":100,"caption":"Sivite Machinery"},"image":{"@id":"https:\/\/sivite-machinery.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/sivite-machinery.com\/#\/schema\/person\/4866346b02efea9e0ffe5b3c0799de7f","name":"TAN, Mingli","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/9f372e7cb6037c70f4c749bf9ba39ab5fec276a883b91cb823e368a04de99b0b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9f372e7cb6037c70f4c749bf9ba39ab5fec276a883b91cb823e368a04de99b0b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/9f372e7cb6037c70f4c749bf9ba39ab5fec276a883b91cb823e368a04de99b0b?s=96&d=mm&r=g","caption":"TAN, mingli"},"sameAs":["https:\/\/sivite-machinery.com"],"url":"https:\/\/sivite-machinery.com\/vi\/author\/sivitemachinery\/"}]}},"jetpack_featured_media_url":"https:\/\/sivite-machinery.com\/wp-content\/uploads\/2026\/08\/Standard-vs-High-Speed-Screw-for-PET-Sheet-Extrusion.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/posts\/3391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/comments?post=3391"}],"version-history":[{"count":4,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/posts\/3391\/revisions"}],"predecessor-version":[{"id":3397,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/posts\/3391\/revisions\/3397"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/media\/3398"}],"wp:attachment":[{"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/media?parent=3391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/categories?post=3391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sivite-machinery.com\/vi\/wp-json\/wp\/v2\/tags?post=3391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}